Blaithnaid's chocolate cake

225g plain white flour

Pinch salt

½ tsp bread soda

2 level tsp baking powder

225ml milk

75g plain chocolate — we use 52%

150g butter

275g soft light brown sugar

3 eggs, organic and free-range

1 tsp vanilla extract

For the filling:

200g plain chocolate — we use 52%

250g butter

4 egg yolks

150g icing sugar, sifted

For the chocolate ganache:

150g plain chocolate, chopped — we use 52%

300ml cream

Equipment: 

2 x 9 inch (23cm) tins